9 files changed, 178 insertions, 0 deletions
diff --git a/demos/platform/CMakeLists.txt b/demos/platform/CMakeLists.txt
new file mode 100644
index 00000000..36673acd
--- /dev/null
+++ b/demos/platform/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_subdirectory(graphics)
+add_subdirectory(gui)
diff --git a/demos/platform/graphics/Base.cpp b/demos/platform/graphics/Base.cpp
new file mode 100644
index 00000000..be39f7e0
--- /dev/null
+++ b/demos/platform/graphics/Base.cpp
@@ -0,0 +1,37 @@
+#include "Base.h"
+#include <cru/base/io/CFileStream.h>
+#include <cru/platform/bootstrap/GraphicsBootstrap.h>
+#include <cru/platform/graphics/Factory.h>
+#include <cru/platform/graphics/Image.h>
+#include <cru/platform/graphics/ImageFactory.h>
+
+CruPlatformGraphicsDemo::CruPlatformGraphicsDemo(std::string file_name,
+                                                 int width, int height)
+    : file_name_(std::move(file_name)) {
+  factory_.reset(cru::platform::bootstrap::CreateGraphicsFactory());
+  image_ = factory_->GetImageFactory()->CreateBitmap(width, height);
+  painter_ = image_->CreatePainter();
+}
+
+CruPlatformGraphicsDemo::~CruPlatformGraphicsDemo() {
+  painter_->EndDraw();
+
+  cru::io::CFileStream file_stream(file_name_.c_str(), "wb");
+
+  factory_->GetImageFactory()->EncodeToStream(
+      image_.get(), &file_stream, cru::platform::graphics::ImageFormat::Png,
+      1.0f);
+}
+
+cru::platform::graphics::IGraphicsFactory*
+CruPlatformGraphicsDemo::GetFactory() {
+  return factory_.get();
+}
+
+cru::platform::graphics::IImage* CruPlatformGraphicsDemo::GetImage() {
+  return image_.get();
+}
+
+cru::platform::graphics::IPainter* CruPlatformGraphicsDemo::GetPainter() {
+  return painter_.get();
+}
diff --git a/demos/platform/graphics/Base.h b/demos/platform/graphics/Base.h
new file mode 100644
index 00000000..6f4f4929
--- /dev/null
+++ b/demos/platform/graphics/Base.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <cru/base/Base.h>
+#include <cru/platform/graphics/Factory.h>
+#include <cru/platform/graphics/Image.h>
+#include <cru/platform/graphics/Painter.h>
+
+#include <memory>
+#include <string>
+
+class CruPlatformGraphicsDemo : public cru::Object2 {
+ public:
+  CruPlatformGraphicsDemo(std::string file_name, int width, int height);
+  ~CruPlatformGraphicsDemo() override;
+
+  cru::platform::graphics::IGraphicsFactory* GetFactory();
+  cru::platform::graphics::IImage* GetImage();
+  cru::platform::graphics::IPainter* GetPainter();
+
+ private:
+  std::string file_name_;
+  std::unique_ptr<cru::platform::graphics::IGraphicsFactory> factory_;
+  std::unique_ptr<cru::platform::graphics::IImage> image_;
+  std::unique_ptr<cru::platform::graphics::IPainter> painter_;
+};
diff --git a/demos/platform/graphics/CMakeLists.txt b/demos/platform/graphics/CMakeLists.txt
new file mode 100644
index 00000000..07758ee6
--- /dev/null
+++ b/demos/platform/graphics/CMakeLists.txt
@@ -0,0 +1,12 @@
+add_library(CruDemoPlatformGraphicsBase INTERFACE)
+target_link_libraries(CruDemoPlatformGraphicsBase INTERFACE CruPlatformGraphicsBootstrap)
+target_sources(CruDemoPlatformGraphicsBase INTERFACE Base.cpp)
+
+add_executable(CruDemoPlatformGraphicsDrawCircle DrawCircle.cpp)
+target_link_libraries(CruDemoPlatformGraphicsDrawCircle PRIVATE CruDemoPlatformGraphicsBase)
+
+add_executable(CruDemoPlatformGraphicsDrawText DrawText.cpp)
+target_link_libraries(CruDemoPlatformGraphicsDrawText PRIVATE CruDemoPlatformGraphicsBase)
+
+add_executable(CruDemoPlatformGraphicsSvgPath SvgPath.cpp)
+target_link_libraries(CruDemoPlatformGraphicsSvgPath PRIVATE CruDemoPlatformGraphicsBase)
diff --git a/demos/platform/graphics/DrawCircle.cpp b/demos/platform/graphics/DrawCircle.cpp
new file mode 100644
index 00000000..76855e0a
--- /dev/null
+++ b/demos/platform/graphics/DrawCircle.cpp
@@ -0,0 +1,17 @@
+#include "Base.h"
+#include "cru/platform/Color.h"
+#include "cru/platform/graphics/Factory.h"
+#include "cru/platform/graphics/Painter.h"
+
+#include <memory>
+
+int main() {
+  CruPlatformGraphicsDemo demo("draw-circle-demo.png", 500, 500);
+
+  auto brush =
+      demo.GetFactory()->CreateSolidColorBrush(cru::platform::colors::skyblue);
+  demo.GetPainter()->FillEllipse(cru::platform::Rect{200, 200, 100, 100},
+                                 brush.get());
+
+  return 0;
+}
diff --git a/demos/platform/graphics/DrawText.cpp b/demos/platform/graphics/DrawText.cpp
new file mode 100644
index 00000000..dfea18cd
--- /dev/null
+++ b/demos/platform/graphics/DrawText.cpp
@@ -0,0 +1,27 @@
+#include "Base.h"
+#include "cru/platform/Color.h"
+#include "cru/platform/graphics/Factory.h"
+#include "cru/platform/graphics/Font.h"
+#include "cru/platform/graphics/Painter.h"
+
+#include <iostream>
+#include <memory>
+
+int main() {
+  CruPlatformGraphicsDemo demo("draw-text-demo.png", 500, 200);
+
+  auto brush =
+      demo.GetFactory()->CreateSolidColorBrush(cru::platform::colors::skyblue);
+
+  std::shared_ptr<cru::platform::graphics::IFont> font(
+      demo.GetFactory()->CreateFont(u"", 24));
+  auto text_layout = demo.GetFactory()->CreateTextLayout(font, u"Hello world!");
+  demo.GetPainter()->DrawText({0, 0}, text_layout.get(), brush.get());
+
+  auto bounds = text_layout->GetTextBounds();
+  std::cout << "Bounds of text:\n\tx: " << bounds.left
+            << "\n\ty: " << bounds.top << "\n\twidth: " << bounds.width
+            << "\n\theight: " << bounds.height << std::endl;
+
+  return 0;
+}
diff --git a/demos/platform/graphics/SvgPath.cpp b/demos/platform/graphics/SvgPath.cpp
new file mode 100644
index 00000000..d0827878
--- /dev/null
+++ b/demos/platform/graphics/SvgPath.cpp
@@ -0,0 +1,28 @@
+
+#include "Base.h"
+#include "cru/platform/Color.h"
+#include "cru/platform/Matrix.h"
+#include "cru/platform/graphics/Factory.h"
+#include "cru/platform/graphics/Painter.h"
+
+#include <memory>
+
+int main() {
+  CruPlatformGraphicsDemo demo("svg-path-demo.png", 160, 160);
+
+  auto brush =
+      demo.GetFactory()->CreateSolidColorBrush(cru::platform::colors::black);
+
+  auto geometry_builder = demo.GetFactory()->CreateGeometryBuilder();
+  geometry_builder->ParseAndApplySvgPathData(
+      uR"(
+M8.5 5.5a.5.5 0 0 0-1 0v3.362l-1.429 2.38a.5.5 0 1 0 .858.515l1.5-2.5A.5.5 0 0 0 8.5 9V5.5z
+M6.5 0a.5.5 0 0 0 0 1H7v1.07a7.001 7.001 0 0 0-3.273 12.474l-.602.602a.5.5 0 0 0 .707.708l.746-.746A6.97 6.97 0 0 0 8 16a6.97 6.97 0 0 0 3.422-.892l.746.746a.5.5 0 0 0 .707-.708l-.601-.602A7.001 7.001 0 0 0 9 2.07V1h.5a.5.5 0 0 0 0-1h-3zm1.038 3.018a6.093 6.093 0 0 1 .924 0 6 6 0 1 1-.924 0zM0 3.5c0 .753.333 1.429.86 1.887A8.035 8.035 0 0 1 4.387 1.86 2.5 2.5 0 0 0 0 3.5zM13.5 1c-.753 0-1.429.333-1.887.86a8.035 8.035 0 0 1 3.527 3.527A2.5 2.5 0 0 0 13.5 1z
+  )");
+  auto geometry = geometry_builder->Build();
+
+  demo.GetPainter()->ConcatTransform(cru::platform::Matrix::Scale(10, 10));
+  demo.GetPainter()->FillGeometry(geometry.get(), brush.get());
+
+  return 0;
+}
diff --git a/demos/platform/gui/CMakeLists.txt b/demos/platform/gui/CMakeLists.txt
new file mode 100644
index 00000000..b179fbc6
--- /dev/null
+++ b/demos/platform/gui/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_library(CruDemoPlatformGuiBase INTERFACE)
+target_link_libraries(CruDemoPlatformGuiBase INTERFACE CruPlatformBootstrap)
+
+add_executable(CruDemoPlatformGuiEmptyWindow EmptyWindow.cpp)
+target_link_libraries(CruDemoPlatformGuiEmptyWindow PRIVATE CruDemoPlatformGuiBase)
diff --git a/demos/platform/gui/EmptyWindow.cpp b/demos/platform/gui/EmptyWindow.cpp
new file mode 100644
index 00000000..299ddd17
--- /dev/null
+++ b/demos/platform/gui/EmptyWindow.cpp
@@ -0,0 +1,25 @@
+#include "cru/platform/bootstrap/Bootstrap.h"
+#include "cru/platform/gui/Base.h"
+#include "cru/platform/gui/UiApplication.h"
+#include "cru/platform/gui/Window.h"
+
+using cru::platform::gui::INativeWindow;
+using cru::platform::gui::IUiApplication;
+using cru::platform::gui::WindowVisibilityType;
+
+int main() {
+  std::unique_ptr<IUiApplication> application(
+      cru::platform::bootstrap::CreateUiApplication());
+
+  application->SetQuitOnAllWindowClosed(true);
+
+  std::unique_ptr<INativeWindow> window1(application->CreateWindow());
+  window1->SetVisibility(WindowVisibilityType::Show);
+  window1->SetToForeground();
+
+  std::unique_ptr<INativeWindow> window2(application->CreateWindow());
+  window2->SetVisibility(WindowVisibilityType::Show);
+  window2->SetToForeground();
+
+  return application->Run();
+}